98478145 has 4 divisors (see below), whose sum is σ = 118173780. Its totient is φ = 78782512.

The previous prime is 98478137. The next prime is 98478151. The reversal of 98478145 is 54187489.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59089969 + 39388176 = 7687^2 + 6276^2 .

It is a cyclic number.

It is not a de Polignac number, because 98478145 - 2³ = 98478137 is a prime.

It is a super-3 number, since 3×98478145³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 98478095 and 98478104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9847810 + ... + 9847819.

It is an arithmetic number, because the mean of its divisors is an integer number (29543445).

Almost surely, 2^98478145 is an apocalyptic number.

It is an amenable number.

98478145 is a deficient number, since it is larger than the sum of its proper divisors (19695635).

98478145 is a wasteful number, since it uses less digits than its factorization.

98478145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19695634.

The product of its digits is 322560, while the sum is 46.

The square root of 98478145 is about 9923.6155205651. The cubic root of 98478145 is about 461.7922283701.

The spelling of 98478145 in words is "ninety-eight million, four hundred seventy-eight thousand, one hundred forty-five".